nexacro container(div,grid)의 필수값 체크

this.gf_ErpCheckMandatory = function(pContainer, pSetting)
{
  var bPopupAlert = true;
  
  try {
    bPopupAlert = pSetting.popupAlert;
  } catch(e) {};
  
  var oResult = {
      successYn : true,
      message : "정상"
  };
  
  if( pContainer instanceof nexacro.Div ) {
    var aTargetList = document.getElementById(pContainer._unique_id).querySelectorAll(".essential");
    for( var idx = 0; idx < aTargetList.length; idx++) {
      try{
        if(this.gf_IsNull(nexacro._findComponentForId(aTargetList[idx].id).value)) {
          oResult.successYn = false;
          oResult.message = "필수값이 없습니다. ["+ aTargetList[idx].title+"]";
          if(bPopupAlert){
            this.gf_Alert(this,oResult.message);
          };
          nexacro._findComponentForId(aTargetList[idx].id).setFocus();
          return oResult;
        };
      } catch(e) {};
      
    };
  } else if( pContainer instanceof nexacro.Grid ) { 
    var aMandatoryCols = [];
    for( var idx = 0; idx < pContainer._formats.default._headcells.length ; idx++) {
      if(pContainer._formats.default._headcells[idx].cssclass._value == "essential") {
        var oColInfo = {
            col : pContainer._formats.default._headcells[idx]._col,
            cell : pContainer._formats.default._headcells[idx]._cellidx
            };
        aMandatoryCols.push(oColInfo);
      };
    };
    
    for( var nRow = 0; nRow < pContainer.bindDS.rowcount; nRow++ ) {
      for( var idx = 0; idx < aMandatoryCols.length; idx++ ) {
        var nColIdx = aMandatoryCols[idx].col;
        var nCellIdx = aMandatoryCols[idx].cell;
        var sColId = pContainer._formats.default._bodycells[nColIdx].text._bindexpr;
        var sText = "";
        if( !this.gf_IsNull(sColId) && this.gf_IsNull(pContainer.bindDS.getColumn(nRow,sColId)) ) {
          oResult.successYn = false;
          sText = this.gf_Nvl(pContainer._formats.default._headcells[nCellIdx].tooltiptext._value, pContainer._formats.default._headcells[nCellIdx].text._value);
          oResult.message = "필수값이 없습니다. ["+ sText+"("+(nRow+1)+"행)]";
          if(bPopupAlert){
            this.gf_Alert(this,oResult.message);
          };
          return oResult;
        };
      };
    };
  };
  
  return oResult;
};